| 椰壳纤维基高比表面积中孔活性炭的制备 |
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| 引用本文： | 陈永,周柳江,洪玉珍,曹峰,李玲,李建保. 椰壳纤维基高比表面积中孔活性炭的制备[J]. 新型炭材料, 2010, 25(2) |
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| 作者姓名： | 陈永 周柳江 洪玉珍 曹峰 李玲 李建保 |
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| 作者单位： | 1. 硅锆钛资源综合开发与利用海南省重点实验室,海南优势资源化工材料应用技术教育部重点实验室,海南大学,海南,海口,570228
2. 太和医院,湖北,十堰,442000 |
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| 基金项目： | 国家自然科学基金，海南省教育厅项目，海南大学重点科研项目 |
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| 摘 要： | 以椰壳纤维为原料,制备高比表面积中孔活性炭.采用正交试验设计实验方案,研究KOH和NaOH复合活化法制备活性炭的实验方案与工艺条件.考察了活化剂配比、炭化温度、活化温度、时间和升温速率对所制活性炭吸附性能的影响.在最佳工艺条件下,所制活性炭的比表面积达到2032m2/g,中孔发达,特别是2nm～4nm的,中孔比例达到28%.活性炭对的碘吸附值为1435mg/g,亚甲基蓝吸附值为495mg/g,产率为49%.
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| 关 键 词： | 椰纤维 活性炭 吸附值 比表面积 |
Preparation of high-surface-area activated carbon from coconut shell fibers |
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| CHEN Yong,ZHOU Liu-jiang,HONG Yu-zhen,CAO Feng,LI Ling,LI Jian-bao. Preparation of high-surface-area activated carbon from coconut shell fibers[J]. New Carbon Materials, 2010, 25(2) |
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| Authors: | CHEN Yong ZHOU Liu-jiang HONG Yu-zhen CAO Feng LI Ling LI Jian-bao |
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| Affiliation: | CHEN Yong 1,ZHOU Liu-jiang 1,HONG Yu-zhen 1,CAO Feng 2,LI Ling1,LI Jian-bao 1(1. Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources,Key Laboratory of Applicatory Technology of Hainan Superior Resources Chemical Materials,MOE,Hainan University,Haikou 570228,China,2. Taihe Hospital,Shiyan,Hubei Province 442000 China) |
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| Abstract: | Activated carbons (ACs) with high specific surface area and abundant mesopores were prepared from coconut shell fibers through carbonization and NaOH/KOH activation. The influence of NaOH/KOH ratio,carbonization temperature,activation temperature,activation time and heating rate on the adsorption behavior of the ACs were investigated. The specific surface area of the obtained ACs under optimum conditions was 2 032 m2/g with 28% (volume fraction) of mesopores between 2 to 4 nm. The iodine adsorption value an... |
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| Keywords: | Conconut fiber Avtivated carbon Adsorption value Specific surface area |
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